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A Vip3Af mutant confers high resistance to broad lepidopteran insect pests.

Pest management science - 1 Jan 2025

Sun Yajie, Yang Pan, She Mingjun, Lin Chaoyang, Ye Yuxuan, Xu Chao, Shen Zhicheng

Abstract excerpt

BACKGROUND: Vegetative insecticidal proteins (Vip3) from Bacillus thuringiensis (Bt) have been utilized for control of lepidopteran insect pests. The majority of known Vip3 proteins possess exceptional high toxicity against Noctuid insects such as the fall armyworm (FAW, Spodoptera frugiperda), beet armyworm (BAW, Spodoptera exigua) and cotton bollworm (CBW, Helicoverpa armigera), but generally have relatively...

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PMID: 39300681
DOI: 10.1002/ps.8402

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